Official GAMESS Home Page. The General Atomic and Molecular Electronic Structure System is a freely availible general ab initio quantum chemistry package. Free graphics programs are also availible for downloading.

TINKER Home Page TINKER - Software Tools for Molecular Design Current Major Version: TINKER 3.9 Major Release Date: June 2001 Last Minor Revision: December 20, 2001 Introduction The TINKER molecular modeling software is a complete and general package for molecular mechanics and dynamics, with some special features for biopolymers. TINKER has the ability to use any of several common parameter ...